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(:Test: op-subtract-dayTimeDurations-1                   :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 29, 2005                                    :)
(:Purpose: Evaluates The "subtract-dayTimeDurations" function :)
(:As per example 1 (for this function)of the F&O specs.  :)
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xs:dayTimeDuration("P2DT12H") - xs:dayTimeDuration("P1DT10H30M")

